x = 4 and y = 7
2x2 + 2x - 8 = 2(x2 + x - 4). This can take any value greater than or equal to -8.5
3x - 2x + 4 = 0 3x - 2x = -4 x = -4
x = 4 and y = 7 which will satisfy both equations
An equation where x equals 3.
x = 4 and y = 7
2x2 + 2x - 8 = 2(x2 + x - 4). This can take any value greater than or equal to -8.5
3x - 2x + 4 = 0 3x - 2x = -4 x = -4
x = 4 and y = 7 which will satisfy both equations
2x-y = 4 -y = -2x+4 y = 2x-4 in slope-intercept form
An equation where x equals 3.
It follows that x - 1 = 2x - 5 as each expression is equal to y. Add 1 to each side: x = 2x - 4 Add 4 to each side: x + 4 = 2x Subtract x from each side: 4 = x y = x - 1 = 3
6 - 3x = 4 - 2x 6 = x + 4 x = 2 Check it. 6 - 6 = 4 - 4 It checks.
2x+3-7=0 2x=4 x=2
y + 4 = 2x −1
2x squared minus 4
x= Negative 4